build(deps): bump fastify from 5.8.1 to 5.8.2 in /backend (#673)

Bumps [fastify](https://github.com/fastify/fastify) from 5.8.1 to 5.8.2.
- [Release notes](https://github.com/fastify/fastify/releases)
- [Commits](https://github.com/fastify/fastify/compare/v5.8.1...v5.8.2)

---
updated-dependencies:
- dependency-name: fastify
  dependency-version: 5.8.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

backend/package-lock.json

@@ -11,7 +11,7 @@
       "dependencies": {
         "@fastify/type-provider-typebox": "^6.1.0",
         "@types/nodemailer": "^7.0.11",
-        "fastify": "^5.8.1",
+        "fastify": "^5.8.2",
         "nodemailer": "^8.0.2",
         "ts-dotenv": "^0.9.1"
       },
@@ -6725,9 +6725,9 @@
       "license": "BSD-3-Clause"
     },
     "node_modules/fastify": {
-      "version": "5.8.1",
-      "resolved": "https://registry.npmjs.org/fastify/-/fastify-5.8.1.tgz",
-      "integrity": "sha512-y0kicFvvn7CYWoPOVLOcvn4YyKQz03DIY7UxmyOy21/J8eXm09R+tmb+tVDBW5h+pja30cHI5dqUcSlvY86V2A==",
+      "version": "5.8.2",
+      "resolved": "https://registry.npmjs.org/fastify/-/fastify-5.8.2.tgz",
+      "integrity": "sha512-lZmt3navvZG915IE+f7/TIVamxIwmBd+OMB+O9WBzcpIwOo6F0LTh0sluoMFk5VkrKTvvrwIaoJPkir4Z+jtAg==",
       "funding": [
         {
           "type": "github",

backend/package.json

@@ -31,7 +31,7 @@
   "dependencies": {
     "@fastify/type-provider-typebox": "^6.1.0",
     "@types/nodemailer": "^7.0.11",
-    "fastify": "^5.8.1",
+    "fastify": "^5.8.2",
     "nodemailer": "^8.0.2",
     "ts-dotenv": "^0.9.1"
   },